27149225 has 12 divisors (see below), whose sum is σ = 33884364. Its totient is φ = 21577920.

The previous prime is 27149207. The next prime is 27149237. The reversal of 27149225 is 52294172.

It can be written as a sum of positive squares in 6 ways, for example, as 811801 + 26337424 = 901^2 + 5132^2 .

It is not a de Polignac number, because 27149225 - 2⁸ = 27148969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27149191 and 27149200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467 + ... + 7383.

It is an arithmetic number, because the mean of its divisors is an integer number (2823697).

Almost surely, 2^27149225 is an apocalyptic number.

27149225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27149225 is a deficient number, since it is larger than the sum of its proper divisors (6735139).

27149225 is a wasteful number, since it uses less digits than its factorization.

27149225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084 (or 7079 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 27149225 is about 5210.4918193967. The cubic root of 27149225 is about 300.5516700970.

The spelling of 27149225 in words is "twenty-seven million, one hundred forty-nine thousand, two hundred twenty-five".